14040209 has 2 divisors, whose sum is σ = 14040210. Its totient is φ = 14040208.

The previous prime is 14040203. The next prime is 14040217. The reversal of 14040209 is 90204041.

14040209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13300609 + 739600 = 3647^2 + 860^2 .

It is an emirp because it is prime and its reverse (90204041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14040209 - 2⁴ = 14040193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14040203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7020104 + 7020105.

It is an arithmetic number, because the mean of its divisors is an integer number (7020105).

Almost surely, 2^14040209 is an apocalyptic number.

It is an amenable number.

14040209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14040209 is an equidigital number, since it uses as much as digits as its factorization.

14040209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 14040209 is about 3747.0266879220. The cubic root of 14040209 is about 241.2447425631.

The spelling of 14040209 in words is "fourteen million, forty thousand, two hundred nine".